public override string ToString() { string result = $"Id:{Id} Created:{CreatedAt.ToShortDateString()}\nName:{Name}\nEmail:{Email}\nAddress:{MyAddress}\n"; if (Todos != null && Todos.Count() > 0) { result += "\tToDos list:\n"; foreach (var item in Todos) { result += item.ToString(); } result += "\n"; } if (Posts != null && Posts.Count() > 0) { result += "\tPosts list:\n"; foreach (var item in Posts) { result += item.ToString(); } result += "\n"; } if (Comments != null && Comments.Count() > 0) { result += "\tComments list:\n"; foreach (var item in Comments) { result += item.ToString(); } result += "\n"; } return(result); }